October 2018 2 26 Report

Usuń nawiasy i zredukuj wyrazy podobne a) -2(3a + 5b) + 3(4b - 6a) b) -7( x - 3y + 1/7z - 2) - 3(y + x + z) - 18y c) 2(1/2a + 0,25b) - 4 (1,25a - 3/4b ) - a + b d) -1/3(2,1x do kwadratu - 41/5y do kwadratu) +y do kwadratu +5x do kwadratu + 6 (2/3y do kwadratu - 1 i 1/3 x do kwadratu A i jeszcze było by dobrze jakby ktos mi wytłumaczył jak to sie robi


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